BUY VD5026 https://www.utsource.net/itm/p/978633.html
VD5026 VD5027 ED5026 ED5027
Description: VD5026 is a low-power, low-voltage, single-chip CMOS microcontroller with a built-in 8-bit CPU. Features: 8-bit CPU 8K bytes of ROM 512 bytes of RAM 16 I/O lines 4-channel 10-bit A/D converter Clock/calendar Serial I/O Low power consumption Applications: Automotive applications Home appliances Security systems Industrial control systems Medical instruments (For reference only)